3968991
Oil Gauge Tube
Cummins®

The Oil Gauge Tube 3968991, manufactured by Cummins, is a component designed to facilitate the monitoring of oil levels within heavy-duty truck engines. Its role is significant in ensuring the engine operates efficiently and remains well-lubricated. Cummins, a well-established name in the automotive industry, is recognized for its commitment to producing high-quality engine components that enhance the performance and reliability of vehicles ¹.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a component within the engine system that allows for the measurement and indication of the oil level. It operates by connecting to the oil reservoir and providing a pathway for the oil to reach the gauge, which then displays the current oil level. Accurate oil level readings are vital for maintaining proper engine lubrication, which is important for the engine’s longevity and performance ².

Purpose of the 3968991 Oil Gauge Tube

This Cummins part plays a role in the operation of a truck by facilitating the monitoring of oil levels. It ensures that the engine remains adequately lubricated, which is important for reducing friction between moving parts, dissipating heat, and preventing wear and tear. By providing accurate oil level readings, it helps in maintaining optimal engine conditions ³.

Key Features

The 3968991 is characterized by its robust design and the use of high-quality materials, which contribute to its durability and performance. Its construction ensures it can withstand the harsh conditions within an engine environment, providing reliable service over time. Unique attributes may include corrosion-resistant coatings or precision-engineered fittings that enhance its functionality.

Benefits

Utilizing this part offers several advantages, including improved accuracy in oil level readings. This accuracy is important for ensuring the engine receives the correct amount of lubrication. Additionally, the tube’s design contributes to enhanced engine protection by facilitating timely oil level checks and refills, thereby supporting the engine’s longevity and operational efficiency in various conditions.

Installation Process

Installing this Cummins part requires careful attention to ensure it is correctly fitted. The process involves preparing the engine area, using the appropriate tools to secure the tube in place, and verifying that all connections are tight and secure. Proper installation is important for the tube’s effectiveness and the engine’s overall performance.

Maintenance Tips

To ensure the longevity and optimal performance of this part, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the tube and its connections to prevent blockages, and ensuring all fittings remain secure. Adhering to these maintenance practices helps in preserving the tube’s functionality and accuracy.

Troubleshooting Common Issues

Common issues with oil gauge tubes, such as inaccurate readings or leaks, can often be traced back to installation errors or wear and tear. Troubleshooting these problems involves checking the tube’s connections for tightness, inspecting for damage, and ensuring the gauge is functioning correctly. Addressing these issues promptly helps in maintaining the engine’s lubrication system’s integrity.

Cummins Overview

Cummins Inc. has a long-standing reputation in the automotive industry for producing reliable and high-quality engine components. Founded with a commitment to innovation and excellence, Cummins continues to be a leader in engine technology, providing components that enhance vehicle performance and durability. Their products are widely recognized for their quality and reliability, making them a preferred choice among professionals in the industry.

Compatibility of Oil Gauge Tube Part 3968991 with Cummins Engines

This part is designed to fit a variety of Cummins engines. It is essential for monitoring the oil level in the engine, ensuring that the oil remains within the optimal range for engine performance and longevity.

B6.7 Series Engines

The Oil Gauge Tube part 3968991 is compatible with the following B6.7 series engines:

• B6.7 CM2670 B153B
• B6.7 G CMOH6.0 B125

These engines are known for their robust performance and are often used in heavy-duty applications.

ISB/ISD Series Engines

The part also fits the following ISB/ISD series engines:

• ISB/ISD6.7 CM2150 SN
• ISBE CM2150

These engines are widely used in various industries due to their reliability and efficiency.

ISBE Series Engines

The Oil Gauge Tube part 3968991 is also suitable for the following ISBE series engines:

• ISBE CM800
• ISBE4 CM850

These engines are known for their high power output and are often used in demanding applications.

QSB Series Engines

The part fits the following QSB series engines:

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

These engines are designed for versatility and are used in a range of applications from construction to agriculture.

This compatibility ensures that the Oil Gauge Tube part 3968991 can be used across a broad spectrum of Cummins engines, providing a reliable method for monitoring oil levels.

Role of Part 3968991 Oil Gauge Tube in Engine Systems

The oil gauge tube, identified by part number 3968991, is an integral component in the accurate measurement and monitoring of oil levels within an engine system. This component facilitates the connection between the oil level gauge and the engine’s oil reservoir, ensuring that the gauge provides a precise reading of the oil level.

In the context of engine systems, the oil gauge tube works in conjunction with the oil level gauge to offer real-time data on the oil level. This data is essential for maintaining optimal engine performance and longevity. The tube allows oil to flow into the gauge, where the level is then measured and displayed to the operator.

The accuracy of the oil level gauge is dependent on the proper functioning of the oil gauge tube. Any obstruction or damage to the tube can lead to inaccurate readings, potentially resulting in either overfilling or underfilling of the engine oil. This, in turn, can affect the engine’s lubrication system, leading to increased wear on moving parts and reduced engine efficiency.

Furthermore, the oil gauge tube is designed to withstand the high temperatures and pressures within the engine compartment, ensuring reliable performance over the engine’s lifespan. Its integration into the engine system is seamless, allowing for easy installation and maintenance.

In summary, the oil gauge tube plays a significant role in the engine’s lubrication system by providing a direct and accurate measurement of the oil level, which is vital for the engine’s operation and maintenance.

Conclusion

The Oil Gauge Tube 3968991 by Cummins is a critical component for maintaining the efficiency and reliability of heavy-duty truck engines. Its accurate oil level monitoring capabilities ensure optimal engine lubrication, contributing to the engine’s longevity and performance. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for maximizing the benefits of this part. Its compatibility with a wide range of Cummins engines underscores its versatility and importance in engine systems.